Our Services


We offer


  • High-Risk SISA controller for Tvarbanan GE/Alstom signaling systems 
  • (GIC-Tempo/VHLC, SCA2/3, ATP, wayside, points, CTC, signals, AVIs, KSI interface)
  • Route checks, Cable controls, Cable insulation and continuity testing, cable terminations

  • Delivery of maintenance program/planning & Execution

  • Execution of preventive and corrective maintenance – According to SL regulations

  • Commissioning leader for Tvarbanan GE/Alstom signaling systems 

  • Preparation of signaling systems maintenance manuals and maintenance protocols and review


  • Project engineering coordination, technical coordination between design, engineering, installation, testing & commissioning


  • Testing and commissioning, execution of SAT activities

  • On-board ATP systems (Tram A32/A35) maintenance and technical support 

  • Execution of corrective maintenance/troubleshooting, immediate response to failures, onsite  log analysis and implementation of corrective resolutions 

  • Execution of preventive maintenance (Axle counters, GIC “IXL”, ATP wayside, signals, points, AVIs, TSAs, Transmission system..etc)

  • Preparation /review of maintenance, testing & commissioning 'T&C' documentation 

o 24/7 on-call support service desk for all signaling failures (signaling experts), including TSM

  • BESTA bookings
  • SoS planning
  • TSM / Tågvarnare

Our Working Partners